| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jclouds.openstack.trove.v1.utils; |
| |
| import java.util.UUID; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.annotation.Resource; |
| |
| import org.jclouds.openstack.trove.v1.TroveApi; |
| import org.jclouds.openstack.trove.v1.domain.Instance; |
| import org.jclouds.openstack.trove.v1.features.InstanceApi; |
| import org.jclouds.openstack.trove.v1.predicates.InstancePredicates; |
| import org.jclouds.logging.Logger; |
| |
| import com.google.common.util.concurrent.Uninterruptibles; |
| |
| /** |
| * @author Zack Shoylev |
| * |
| * Helper methods for dealing with instances that get created with errors. |
| */ |
| public class TroveUtils { |
| private final TroveApi api; |
| @Resource |
| protected Logger logger = Logger.NULL; |
| |
| public TroveUtils(TroveApi api) { |
| this.api = api; |
| } |
| |
| /** |
| * Create an ACTIVE operational instance. |
| * |
| * @see InstanceApi#create(String, int, String) |
| * |
| * @param zone |
| * The instance zone or region. |
| * @param name |
| * Instance name. |
| * @param flavorId |
| * Id of the flavor to be used when creating the instance. |
| * @param size |
| * Size of the instance. |
| * @return Instance object in active state or NULL. |
| */ |
| public Instance getWorkingInstance(String zone, String name, String flavorId, int size) { |
| InstanceApi instanceApi = api.getInstanceApiForZone(zone); |
| for (int retries = 0; retries < 10; retries++) { |
| Instance instance = null; |
| try { |
| instance = instanceApi.create(flavorId, size, name); |
| } catch (Exception e) { |
| |
| Uninterruptibles.sleepUninterruptibly(15, TimeUnit.SECONDS); |
| |
| logger.error(e.getStackTrace().toString()); |
| continue; |
| } |
| |
| Instance updatedInstance = awaitAvailable(instance, instanceApi); |
| if (updatedInstance != null) { |
| return updatedInstance; |
| } |
| instanceApi.delete(instance.getId()); |
| InstancePredicates.awaitDeleted(instanceApi).apply(instance); |
| |
| } |
| return null; |
| } |
| |
| /** |
| * This will return a small working instance. |
| * |
| * @param zone The zone where the instance should be created. |
| * @return A working database instance. |
| */ |
| public Instance getWorkingInstance(String zone) { |
| return getWorkingInstance(zone, UUID.randomUUID().toString(), "1", 1); |
| } |
| |
| private Instance awaitAvailable(Instance instance, InstanceApi iapi) { |
| for (int n = 0; n < 100; n = n + 1) { |
| Instance updatedInstance = iapi.get(instance.getId()); |
| if (updatedInstance.getStatus() == Instance.Status.ACTIVE) |
| return updatedInstance; |
| if (updatedInstance.getStatus() == Instance.Status.UNRECOGNIZED) |
| return null; // fast fail |
| Uninterruptibles.sleepUninterruptibly(15, TimeUnit.SECONDS); |
| } |
| return null; |
| } |
| } |